from tkinter import *

coords = [0,0,
          10,0,
          10,10,
          20,10,
          20,30,
          10,30,
          10,20,
          0,20,
          ]
X = 0
Y = 0
N = 5
root = Tk()
root.title("ИТ марафон")
root.geometry("500x500")
canvas = Canvas(bg="white", width=500, height=500)
canvas.pack(anchor=CENTER, expand=1)
canvas.create_polygon(coords[0] *N+X, coords[1] *N+Y,
                     coords[2] *N+X, coords[3] *N+Y,
                     coords[4] *N+X, coords[5] *N+Y,
                     coords[6] *N+X, coords[7] *N+Y,
                     coords[8] *N+X, coords[9] *N+Y,
                     coords[10] *N+X, coords[11] *N+Y,
                       coords[12] *N+X, coords[13] *N+Y,
                       coords[14] *N+X, coords[15] *N+Y,)
root.mainloop()
